[Delivery mechanism and 5-hydroxytryptamine].
D000328:Adult; D000818:Animals; D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000502:physiology*; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011736:Pyridoxine / Q000494:pharmacology; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism; D014599:Uterus / Q000502:physiology*
D012701:Serotonin; D014364:Tryptophan; D011736:Pyridoxine